An US’ official made a request to the United States Department of Commerce (USDOC) to investigate the exemption process of steel and aluminum tariffs because the USDOC has made a false decision including the tariffs exemption for Russian imports, and it might harm the national safety.

Additionally, he was worried about the tight relationship between the Trump and the US’ Commerce Secretary Wilbur Ross could lead misjudgment on the exemption request. Furthermore, he wondered whether there were the political interfere and personal preference because it was understood that about 1,600 exemption applications were withdrawn from Nucor and US Steel, he also stated.